SKYWATCH: SKYWEEK iPHONE APP, HOW DARK ARE YOUR SKIES, AND MORE

Sky & Telescope's SkyWeek app

Bulletin at a Glance

News
Observing
This Week’s Sky at a
Glance
Community

S&T Introduces SkyWeek App

October
25, 2010 | Sky & Telescope is proud to
present its first application for mobile devices. > read more

How Many
Earths?

October 28, 2010 | A team of planet-hunting astronomers
argue, based on discovery statistics, that Earth-mass worlds should be orbiting
a quarter of stars like the Sun. > read more

Observing

Great World Wide Star Count
Windows
to the Universe / UCAR

How Dark
Are Your Skies?

October 28, 2010 | Take part in this
year’s Great World Wide Star Count, and you’ll be joining thousands of other
“citizen scientists” in raising dark-sky awareness around the globe. > read more

Encounters
with Comet Hartley 2

October 28, 2010 | Comet Hartley 2 comes
back into moonless view around the morning of November 1st — in time for the
spacecraft encounter on November 4th! > read more

Tour
November’s Sky by Eye and Ear!

October 29, 2010 | The
change back to standard time brings earlier nightfall — and a chance to spot
mighty Jupiter dominating the November evening sky. Host: S&T’s Kelly
Beatty. (5MB MP3 download: running time: 5m 33s) > read more

This Week’s Sky at a Glance

Dawn view, looking east

This Week’s Sky at a Glance

October 29, 2010
| Jupiter shines high all evening.
Mira remains (so far) at an unusually bright maximum. And keep an eye out for
Taurid and Hartley-id meteors! > read more

Community

Sky brightness by date, New Lebanon, NY

Has Your
Observing Site Gotten Brighter?

October 23, 2010 | Measurements
with a Sky Quality Meter indicate that none of the author’s observing sites has
gotten significantly brighter over the last 5 years. > read more

Guest
Blog: In Defence of GPS

October 26, 2010 | A reader expounds the
virtues of electronic navigation — for automobiles and telescopes. > read more
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